NXP Semiconductors MCF52210CEP66

Overview

MCF52210CEP66 from NXP Semiconductors (formerly Freescale) is a 32-bit ColdFire V2 RISC microcontroller in 64-pin LQFP package, operating at 66 MHz with 64 KB flash and 16 KB SRAM. It integrates USB OTG, three UARTs, two I²C interfaces, QSPI, 8-channel 12-bit ADC, four 32-bit DMA timers, and real-time clock - deployed in industrial control panels requiring deterministic timing and field-upgradable firmware.

For engineers reviewing the MCF52210CEP66 datasheet, MCF52210CEP66 pinout, MCF52210CEP66 application, or MCF52210CEP66 equivalent, key selection criteria include its 66 MHz ColdFire V2 core performance, 64-pin LQFP footprint compatibility, USB OTG dual-mode support, and integrated 12-bit ADC with simultaneous sampling for motor feedback loops.

Technical Context

The MCF52210CEP66 implements the ColdFire ISA_A+ instruction set with hardware MAC unit and 32-bit accumulator, enabling efficient 16×16 and 32×32 integer/fractional arithmetic for embedded signal processing. Its clock system combines an on-chip 8 MHz relaxation oscillator, external crystal input, and PLL with programmable pre-divider and low-power dividers for flexible frequency synthesis.

Peripheral integration follows tightly coupled memory-mapped architecture: USB OTG controller supports full-speed host/device operation with 16 endpoints and DMA/FIFO data paths; the 8-channel 12-bit ADC features dual sample-and-hold circuits enabling true simultaneous conversion on two channels - critical for vector-controlled motor drives.

Key Specifications

Pinout & Package

64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, with exposed thermal pad. Pin functions validated per Freescale MCF52211 Rev. 2 datasheet Section 3.1 and Table 1–3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit microcontroller applications.

Compared with MCF52210CEP66, MCF52211CEP66 offers double flash capacity with identical footprint and peripheral set - ideal for firmware scalability - while K22FN512VLH12 trades ColdFire-specific toolchain familiarity for higher compute density and modern security features at the cost of USB OTG and direct replacement feasibility.

Availability

MCF52210CEP66 is available at Aetrix Electronics and suitable for industrial motor control, PLC I/O modules, USB-capable HMIs, and field-upgradeable embedded gateways requiring stable component supply across multi-year production cycles.

Supply support for MCF52210CEP66 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with roots in Freescale's embedded processor heritage.

The ColdFire family - including MCF52210CEP66 - was designed for cost-sensitive, high-reliability industrial control applications demanding deterministic real-time performance, low-power operation, and long-term supply stability.

FAQ

What is the maximum operating frequency of the MCF52210CEP66?

The MCF52210CEP66 operates at a maximum system clock frequency of 66 MHz, derived from its internal PLL locked to either an external crystal (1–25 MHz) or the on-chip 8 MHz relaxation oscillator. This yields 59 MIPS (Dhrystone 2.1) performance, sufficient for sub-100 µs control loop execution in motor drive applications. The MCF52210CEP66 datasheet specifies timing margins for all peripheral interfaces at this frequency.

Does the MCF52210CEP66 support USB device and host functionality simultaneously?

No - the MCF52210CEP66 implements USB On-The-Go (OTG), which allows dynamic role switching between device and host modes, but not concurrent operation. The USB controller uses a single set of PHY resources and must be reconfigured via software to change roles. This behavior is defined in the MCF52210CEP66 USB OTG specification and verified in Freescale Application Note AN3802.

Can unused ADC input pins on the MCF52210CEP66 be used as general-purpose I/O?

Yes - all eight ADC input pins (AN0–AN7) on the MCF52210CEP66 can be configured as digital GPIO through the Port Data Direction Register (PDDR) and Port Data Register (PDR). This flexibility enables reuse of analog-capable pins for button sensing, LED control, or status signaling when ADC channels are not fully utilized in the design.

What debug interfaces are supported by the MCF52210CEP66?

The MCF52210CEP66 supports both JTAG IEEE 1149.1 for boundary-scan testing and Background Debug Mode (BDM) via dedicated debug serial interface (DSI/DSO/DSCLK). While full real-time trace is limited to 100-pin packages, the MCF52210CEP66 retains the ALLPST signal and nine breakpoint registers for halt-mode debugging and basic trace analysis.

Is the MCF52210CEP66 pin-compatible with other members of the MCF5221x family?

Yes - the MCF52210CEP66 in 64-pin LQFP shares identical pinout and electrical characteristics with MCF52211CEP66, MCF52212CEP66, and MCF52213CEP66 per Freescale's Family Configurations table. Differences are limited to flash/SRAM sizes and clock speed ratings, making them drop-in replacements for footprint-constrained designs where firmware size permits.